474997609 has 2 divisors, whose sum is σ = 474997610. Its totient is φ = 474997608.

The previous prime is 474997577. The next prime is 474997619. The reversal of 474997609 is 906799474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357210000 + 117787609 = 18900^2 + 10853^2 .

It is a cyclic number.

It is not a de Polignac number, because 474997609 - 2⁵ = 474997577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 474997609.

It is not a weakly prime, because it can be changed into another prime (474997619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237498804 + 237498805.

It is an arithmetic number, because the mean of its divisors is an integer number (237498805).

Almost surely, 2^474997609 is an apocalyptic number.

It is an amenable number.

474997609 is a deficient number, since it is larger than the sum of its proper divisors (1).

474997609 is an equidigital number, since it uses as much as digits as its factorization.

474997609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 474997609 is about 21794.4398643324. The cubic root of 474997609 is about 780.2440661821.

The spelling of 474997609 in words is "four hundred seventy-four million, nine hundred ninety-seven thousand, six hundred nine".